Classic engineering challenge adapted for the kitchen. Supply cotton wool, a ziplock bag, rubber bands, a small box. Child has 15 minutes to build a protective container for a raw egg. Then drop it from 1 metre. Did it survive?
What you need
- raw egg
- cotton wool or sponge
- bubble wrap
- small box
- rubber bands
How to do it
- 1Say: "We're building a protection capsule for an egg. Your job is to make sure it survives a one-metre drop."
- 2Child builds alone. You can answer questions about available materials. Nothing else.
- 3Drop from exactly 1 metre onto a hard floor. Open the container and look.
- 4If it broke: why? What would they change? Offer 5 minutes to rebuild.
Variations
- Korb-Tür: If they won't build: show them the materials falling to the floor. "How would you stop this?" Let them watch destruction first.
- Ausstieg: Whether it breaks or survives, open it and look together. "What do you think happened inside?"
💡 Parent tip
If it breaks, do not suggest improvements. Ask 'What do you think went wrong?' Most children immediately know and rebuild more effectively without any input.
What your child develops
- Engineering design — thinking about energy absorption and cushioning under constraint
- Failure analysis — identifying which part of the design failed and why
- Physics intuition — impact force, cushioning, and energy distribution
Safety notes
- Drop over an easy-to-clean floor. Have kitchen roll ready.
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